Mug tree



FIG. 1 is a top, front and side perspective view of a mug tree showingour new design;

FIG. 2 is a side view thereof, the opposite side view being the mirrorimage thereof;

FIG. 3 is a front plan view thereof, the rear plan view being the mirrorimage thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

CLAIM The ornamental design for a mug tree, as shown and described.